Apparatus and method for reducing required torque

Details for Australian Patent Application No. 2002333070 (hide)

Owner Sandvik Mining and Construction Australia Pty Limited

Inventors Littlely, Keith

Agent Griffith Hack

Pub. Number AU-B-2002333070

PCT Number PCT/AU02/01400

PCT Pub. Number WO2003/033858

Priority PR 8255 15.10.01 AU

Filing date 15 October 2002

Wipo publication date 28 April 2003

Acceptance publication date 8 March 2007

International Classifications

E21B 19/16 (2006.01) Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick

Event Publications

13 February 2003 Complete Application Filed

  Priority application(s): PR 8255 15.10.01 AU

3 July 2003 Application Open to Public Inspection

  Published as AU-B-2002333070

19 August 2004 Amendment Made

  The nature of the amendment is: Amend the name of the inventor from Littleley, Keith to Littlely, Keith.

21 December 2006 Assignment before Grant

  UDR KL Pty Ltd The application has been assigned to Sandvik Mining and Construction Australia Pty Limited

8 March 2007 Application Accepted

  Published as AU-B-2002333070

5 July 2007 Standard Patent Sealed

4 August 2011 Assignment Registered

  Sandvik Mining and Construction Australia Pty Limited The patent has been assigned to Sandvik Mining and Construction Australia (Production/Supply) Pty Ltd

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